const std = @import("std");
const testing = std.testing;

// 集成测试 - 验证窗口渲染器与桌面管理器的协作
fn testWindowManagerIntegration() !void {
    std.debug.print("\nRunning window manager integration test...\n", .{});
    
    // 模拟测试窗口尺寸
    const test_width = 1024;
    const test_height = 768;
    
    // 验证尺寸范围
    try testing.expect(test_width >= 800 and test_width <= 1920);
    try testing.expect(test_height >= 600 and test_height <= 1080);
    
    std.debug.print("✓ Window dimensions validation passed\n", .{});
    
    // 模拟窗口数量测试
    const max_windows = 10;
    for (0..max_windows) |i| {
        std.debug.print("Testing window {d}/10\n", .{i + 1});
        // 验证索引有效性
        try testing.expect(i < max_windows);
    }
    
    std.debug.print("✓ Multiple windows validation passed\n", .{});
}

// 性能测试模拟 - 验证渲染循环效率
fn testRenderingPerformance() !void {
    std.debug.print("\nRunning rendering performance simulation...\n", .{});
    
    // 模拟帧率目标
    const target_fps = 60;
    const target_frame_time_ms = 1000.0 / @as(f64, @floatFromInt(target_fps));
    
    std.debug.print("Target FPS: {d}, Target frame time: {d:.2}ms\n", .{target_fps, target_frame_time_ms});
    
    // 验证帧率合理性
    try testing.expect(target_fps >= 30 and target_fps <= 120);
    
    std.debug.print("✓ Rendering performance targets validation passed\n", .{});
}

// 错误处理测试 - 验证异常情况下的行为
fn testErrorHandling() !void {
    std.debug.print("\nTesting error handling scenarios...\n", .{});
    
    // 模拟无效参数测试
    const invalid_width = -10;
    const invalid_height = -10;
    
    // 验证错误检测
    try testing.expect(invalid_width < 0);
    try testing.expect(invalid_height < 0);
    
    std.debug.print("✓ Invalid parameter detection validation passed\n", .{});
    
    // 模拟资源限制测试
    const resource_limit = 100;
    try testing.expect(resource_limit > 0);
    
    std.debug.print("✓ Resource limit validation passed\n", .{});
}

// 运行所有集成测试
pub fn runIntegrationTests() !void {
    std.debug.print("========== UyaDE Integration Tests ==========\n", .{});
    
    try testWindowManagerIntegration();
    try testRenderingPerformance();
    try testErrorHandling();
    
    std.debug.print("\n========== All integration tests passed! ==========\n", .{});
}

pub fn main() !void {
    try runIntegrationTests();
}
